On October 20, 2025, Amazon Web Services (AWS)—the backbone of the modern internet—experienced a major outage that affected businesses and consumers around the world. Starting early in the morning, websites and apps like Snapchat, Roblox, Fortnite, Coinbase, Duolingo, Perplexity AI, and even Amazon’s own Alexa and Prime Video suddenly became inaccessible for millions of users.
Root Cause and Recovery Efforts
AWS engineers quickly pinpointed the main issue: a DNS resolution failure with the DynamoDB API endpoint in the US-EAST-1 region. DynamoDB is a database service relied upon by countless applications to store and retrieve data in real time. When it faltered, the impact rippled outwards, disrupting everything from smart devices to online banking platforms.
AWS released an official statement confirming the root cause and detailing their efforts to restore service: “Based on our investigation, the issue appears to be related to DNS resolution of the DynamoDB API endpoint in US-EAST-1. We are actively working on multiple parallel paths to accelerate recovery.”
Global and Business Disruption
The consequences were felt globally. Social media buzzed with complaints from the U.S., U.K., and Europe. Even government services in the U.K., such as HM Revenue & Customs (HMRC), were hit. Technology leaders, including Perplexity AI’s CEO, took to social media to inform their users and reassure them.
Businesses responded quickly, posting updates and promising data integrity. Coinbase, for example, assured customers that their funds were safe despite access issues.
Lessons Learned
This outage is a stark reminder of how much the world depends on the cloud—and specifically, on AWS. With roughly one-third of global cloud infrastructure running on Amazon’s servers, a problem in just one region can cascade through financial services, entertainment, communications, and government platforms.
As AWS continues working to restore full service, today’s incident highlights an uncomfortable truth: our digital lives are only as stable as the platforms that support them. Will organizations diversify their cloud infrastructure moving forward, or will the convenience of centralization continue to outweigh the risk? Only time will tell.
